Finding the Third Proportional to 27,819,920 and 42,555,997

Step by Step Solution

1. Step 1: Write the proportion equation
   27,819,920 : 42,555,997 = 42,555,997 : x
2. Step 2: Convert to fraction form
   27,819,920/42,555,997 = 42,555,997/x
3. Step 3: Cross multiply
   27,819,920x = 42,555,997 × 42,555,997
4. Step 4: Simplify right side
   27,819,920x = 1,811,012,880,664,009
5. Step 5: Solve for x
   x = 1,811,012,880,664,009/27,819,920
6. Step 6: Final answer
   x = 65,097,702.68